Bath mat



FIG. 1 is a front perspective view of a bath mat;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right-side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines in the drawings are for the purpose of illustrating portions of the article that form no part of the claimed design. The dash-dot-dash broken line depicts the boundary of the claim. 

CLAIM The ornamental design for a bath mat, as shown and described. 